On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you went to Venus, that wouldn't be the case. Not every planet has a moon – so why ...

This January, the night sky offers a stunning display featuring the Quadrantid meteor shower and a rare alignment of four bright planets visible in a single view. Witness Mars at opposition, shining ...

Here are the dates for the full moons in 2025. The next full moon will be on Monday, Jan. 13, 2025. It will officially reach its full moon phase at 5:27 P.M. EST (2227 GMT) but local moonrise ...